energy efficiency ratio

The 3 Most Critical Areas of the HVAC Profession

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HVAC Big 3: Sizing, Installation, Maintenance Contracting Business, September 5, 2017 1. The Importance of a Correctly-Sized System When you are installing an HVAC system, calculate heating and cooling loads using a recognized method (ACCA Manual J), and ensure you install the smallest sized system that will meet these load requirements (ACCA Manual S). When … Read more

Revealing the Impact to EER From Bypass Zone Systems

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EER energy efficiency ratio

New Study Shows No Negative Impact to EER Using Bypass Zone Systems ACHR News, January 25, 2016. Image credit: geralt The Zone Control System Technology (ZCST) Product Section of the Air-Conditioning, Heating, and Refrigeration Institute (AHRI) has released the results of a field study that evaluated the impact on the energy efficiency ratio (EER) of … Read more